1 /// @file 2 /// Test grad transpose with a 2D Simplex non-tensor H1 basis 3 /// \test Test grad transpose with a 2D Simplex non-tensor H1 basis 4 #include <ceed.h> 5 #include <math.h> 6 7 #include "t320-basis.h" 8 9 int main(int argc, char **argv) { 10 Ceed ceed; 11 CeedVector u, v; 12 const CeedInt p = 6, q = 4, dim = 2; 13 CeedBasis basis; 14 CeedScalar q_ref[dim * q], q_weight[q]; 15 CeedScalar interp[p * q], grad[dim * p * q]; 16 CeedScalar column_sum[p]; 17 18 CeedInit(argv[1], &ceed); 19 20 CeedVectorCreate(ceed, q * dim, &u); 21 CeedVectorSetValue(u, 1); 22 CeedVectorCreate(ceed, p, &v); 23 CeedVectorSetValue(v, 0); 24 25 Build2DSimplex(q_ref, q_weight, interp, grad); 26 CeedBasisCreateH1(ceed, CEED_TOPOLOGY_TRIANGLE, 1, p, q, interp, grad, q_ref, q_weight, &basis); 27 28 CeedBasisApply(basis, 1, CEED_TRANSPOSE, CEED_EVAL_GRAD, u, v); 29 30 // Check values at quadrature points 31 for (int i = 0; i < p; i++) { 32 column_sum[i] = 0; 33 for (int j = 0; j < q * dim; j++) { 34 column_sum[i] += grad[i + j * p]; 35 } 36 } 37 { 38 const CeedScalar *v_array; 39 40 CeedVectorGetArrayRead(v, CEED_MEM_HOST, &v_array); 41 for (int i = 0; i < p; i++) { 42 if (fabs(column_sum[i] - v_array[i]) > 100. * CEED_EPSILON) printf("[%" CeedInt_FMT "] %f != %f\n", i, v_array[i], column_sum[i]); 43 } 44 CeedVectorRestoreArrayRead(v, &v_array); 45 } 46 47 CeedVectorDestroy(&u); 48 CeedVectorDestroy(&v); 49 CeedBasisDestroy(&basis); 50 CeedDestroy(&ceed); 51 return 0; 52 } 53